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120421233320 = 23517394744867
BaseRepresentation
bin111000000100110101…
…0100011001010101000
3102111211100210110222112
41300021222203022220
53433110313431240
6131153140541452
711462102410613
oct1601152431250
9374740713875
10120421233320
1147085712a33
121b4089b1888
13b48155155b
145b8527717a
1531ebe60665
hex1c09aa32a8

120421233320 has 64 divisors (see below), whose sum is σ = 286964959680. Its totient is φ = 45322556416.

The previous prime is 120421233307. The next prime is 120421233323. The reversal of 120421233320 is 23332124021.

It is not an unprimeable number, because it can be changed into a prime (120421233323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2661527 + ... + 2706393.

It is an arithmetic number, because the mean of its divisors is an integer number (4483827495).

Almost surely, 2120421233320 is an apocalyptic number.

120421233320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120421233320 is an abundant number, since it is smaller than the sum of its proper divisors (166543726360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120421233320 is a wasteful number, since it uses less digits than its factorization.

120421233320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48842 (or 48838 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 120421233320 its reverse (23332124021), we get a palindrome (143753357341).

The spelling of 120421233320 in words is "one hundred twenty billion, four hundred twenty-one million, two hundred thirty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 17 20 34 40 68 85 136 170 340 680 3947 7894 15788 19735 31576 39470 44867 67099 78940 89734 134198 157880 179468 224335 268396 335495 358936 448670 536792 670990 762739 897340 1341980 1525478 1794680 2683960 3050956 3813695 6101912 7627390 15254780 30509560 177090049 354180098 708360196 885450245 1416720392 1770900490 3010530833 3541800980 6021061666 7083601960 12042123332 15052654165 24084246664 30105308330 60210616660 120421233320